Initial commit: EifelDC - Discord-like Matrix chat platform

Includes server (Rust/Axum API proxy with voice management),
Tauri desktop client with Svelte UI, bot-sdk, Docker infra
(Synapse, PostgreSQL, Coturn, Nginx), and CI/CD pipeline.

server/src/routes/voice.rs

@@ -0,0 +1,80 @@
+use axum::{
+    extract::State,
+    http::HeaderMap,
+    Json,
+};
+use serde::{Deserialize, Serialize};
+use crate::ServerState;
+use super::auth::extract_token;
+
+#[derive(Deserialize)]
+pub struct VoiceRequest {
+    pub room_id: String,
+}
+
+#[derive(Serialize)]
+pub struct VoiceStateInfo {
+    pub room_id: String,
+    pub muted: bool,
+    pub deafened: bool,
+    pub streaming: bool,
+}
+
+pub async fn join_voice_channel(
+    State(state): State<ServerState>,
+    headers: HeaderMap,
+    Json(req): Json<VoiceRequest>,
+) -> Result<Json<VoiceStateInfo>, axum::http::StatusCode> {
+    let token = extract_token(&headers).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+    let mut s = state.write().await;
+    let session = s.sessions.get_mut(&token).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+
+    session.voice_manager.join_channel(req.room_id.clone(), session.user_id.clone());
+
+    Ok(Json(VoiceStateInfo {
+        room_id: req.room_id,
+        muted: false,
+        deafened: false,
+        streaming: false,
+    }))
+}
+
+pub async fn leave_voice_channel(
+    State(state): State<ServerState>,
+    headers: HeaderMap,
+    Json(req): Json<VoiceRequest>,
+) -> Result<Json<bool>, axum::http::StatusCode> {
+    let token = extract_token(&headers).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+    let mut s = state.write().await;
+    let session = s.sessions.get_mut(&token).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+
+    Ok(Json(session.voice_manager.leave_channel(&req.room_id, &session.user_id)))
+}
+
+pub async fn toggle_mute(
+    State(state): State<ServerState>,
+    headers: HeaderMap,
+    Json(req): Json<VoiceRequest>,
+) -> Result<Json<bool>, axum::http::StatusCode> {
+    let token = extract_token(&headers).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+    let mut s = state.write().await;
+    let session = s.sessions.get_mut(&token).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+
+    session.voice_manager.toggle_mute(&req.room_id, &session.user_id)
+        .ok_or(axum::http::StatusCode::BAD_REQUEST)
+        .map(Json)
+}
+
+pub async fn toggle_deafen(
+    State(state): State<ServerState>,
+    headers: HeaderMap,
+    Json(req): Json<VoiceRequest>,
+) -> Result<Json<bool>, axum::http::StatusCode> {
+    let token = extract_token(&headers).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+    let mut s = state.write().await;
+    let session = s.sessions.get_mut(&token).ok_or(axum::http::StatusCode::UNAUTHORIZED)?;
+
+    session.voice_manager.toggle_deafen(&req.room_id, &session.user_id)
+        .ok_or(axum::http::StatusCode::BAD_REQUEST)
+        .map(Json)
+}